The Oresteia – Aeschylus | Play Summary & Analysis | Aeschylus Trilogy

(Tragedy, Greek, 458 BCE, 3,796 lines over 3 plays)

Introduction | Synopsis | Analysis | Resources

Introduction – Who Wrote Oresteia

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The Oresteia“ trilogy by the ancient Greek playwright Aeschylus consists of the three linked plays “Agamemnon”, “The Libation Bearers” and “The Eumenides”. The trilogy as a whole, originally performed at the annual Dionysia festival in Athens in 458 BCE, where it won first prize, is considered to be Aeschylus‘ last authenticated, and also his greatest, work. It follows the vicissitudes of the House of Atreus, from the murder of Agamemnon by his wife Clytemnestra, to the subsequent revenge wreaked by his son Orestes and its consequences.

Synopsis – The Oresteia Summary

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oresteia summary, aeschylus oresteia, oresteia trilogy“Agamemnon” describes the homecoming of King Agamemnon of Argos from the Trojan War, along with his concubine Cassandra. His wife, Clytemnestra, however, had long been planning his murder (in concert with her lover, Aegisthus) as revenge for Agamemnon‘s earlier sacrifice of their daughter, Iphigenia. For more detail, see the separate page on “Agamemnon”.

“The Libation Bearers” deals with the reunion of Agamemnon‘s children, Electra and Orestes, and their revenge as they kill Clytemnestra and Aegisthus in a new chapter of the curse of the House of Atreus. For more detail, see the separate page on “The Libation Bearers”.

“The Eumenides” tells of how Orestes is pursued to Athens by the vengeful Erinyes for the murder of his mother, Clytemnestra, and how he is tried before Athena and a jury of Athenians to decide whether his crime justifies the torment of the Erinyes. For more detail, see the separate page on “The Eumenides”.


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The Oresteia“ (comprising “Agamemnon”, “The Libation Bearers” and “The Eumenides”) is the only surviving example of a complete trilogy of ancient Greek plays (a fourth play, which would have been performed as a comic finale, a satyr play called “Proteus”, has not survived). It was originally performed at the annual Dionysia festival in Athens in 458 BCE, where it won first prize.

Although technically a tragedy, “The Oresteia” as a whole actually ends on a relatively upbeat note, which may surprise modern readers, although in fact the term “tragedy” did not carry its modern meaning in ancient Athens, and many of the extant Greek tragedies do end happily.

who wrote oresteia, the oresteia agamemnon, aeschylus oresteia summary

In general, the Choruses of “The Oresteia” are more integral to the action than the Choruses in the works of the other two great Greek tragedians, Sophocles and Euripides (particularly as the elder Aeschylus was only one step removed from the ancient tradition in which the whole play was conducted by the Chorus). In “The Eumenides” in particular, the Chorus is even more essential because it consists of the Erinyes themselves and, after a certain point, their story (and their successful integration into the pantheon of Athens) becomes a major part of the play.

Throughout “The Oresteia”, Aeschylus uses a lot of naturalistic metaphors and symbols, such as solar and lunar cycles, night and day, storms, winds, fire, etc, to represent the vacillating nature of human reality (good and evil, birth and death, sorrow and happiness, etc). There is also a significant amount of animal symbolism in the plays, and humans who forget how to govern themselves justly tend to be personified as beasts.

Other important themes covered by the trilogy include: the cyclical nature of blood crimes (the ancient law of the Erinyes mandates that blood must be paid for with blood in an unending cycle of doom, and the bloody past history of the House of Atreus continues to affect events generation after generation in a self-perpetuating cycle of violence begetting violence); the lack of clarity between right and wrong (Agamemnon, Clytemnestra and Orestes are all faced with impossible moral choices, with no clearcut right and wrong); the conflict between the old and the new gods (the Erinyes represent the ancient, primitive laws which demand blood vengeance, while Apollo, and particularly Athena, represent the new order of reason and civilization); and the difficult nature of inheritence (and the responsibilities it carries with it).

oresteia characters, oresteia themes, when was the oresteia writtenThere is also an underlying metaphorical aspect to the entire drama: the change from archaic self-help justice by personal revenge or vendetta to the administration of justice by trial (sanctioned by the gods themselves) throughout the series of plays, symbolizes the passage from a primitive Greek society governed by instincts, to a modern democractic society governed by reason.

The tyranny under which Argos finds itself during the rule of Clytemnestra and Aegisthus corresponds in a very broad way to some events in the biographical career of Aeschylus himself. He is known to have made at least two visits to the court of the Sicilian tyrant Hieron (as did several other prominent poets of his day), and he lived through the democratization of Athens. The tension between tyranny and democracy, a common theme in Greek drama, is palpable throughout the three plays.

By the end of the trilogy, Orestes is seen to be the key, not only to ending the curse of the House of Atreus, but also in laying the foundation for a new step in the progress of humanity. Thus, although Aeschylus uses an ancient and well-known myth as the basis for his “The Oresteia”, he approaches it in a distinctly different way than other writers who came before him, with his own agenda to convey.


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